When using a pulley with a mechanical advantage of 1.5, a worker applies 250N to the pulley. The pulley is used to lift a heavy crate. How much force does the pulley apply to the crate

What two pieces of information do h need to describe force?

What determines the atomic mass of an element? A. the sum of the protons and electrons B. the sum of the ions and isotopes C. the sum of the protons and the neutrons D. the sum of the neutrons and the electrons

Which of the following situation is an example of environmental racism?

when an electric current is flowing through a wire which of the following is also produced energy domain field force

Which statement best describes the difference between endothermic and exothermic reactions? They are opposites because endothermic reactions require energy and exothermic reactions release energy.

What is phanerogam? mention it's two group

A runner has a momentum of 720 kg m/s and is traveling at a velocity of 5 m/s. What is his mass?

What is electrical conductivity?

According to the law of universal gravitation, as mass increases, gravity As distance increases, gravity

You and your friends are doing physics experiments on a frozen pond that serves as a frictionless, horizontal surface. Sofia, with mass 80.0 kg, is given a push and slides eastward. Elena, with mass 55.0 kg, is sent sliding northward.